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fa54b32680
Make the location monitor callback function prototype more useful by changing the argument from an integer to a void pointer. All VME bridge drivers were simply passing the location monitor index (e.g. 0-3) as the argument to these callbacks. It is much more useful to pass back a pointer to data that the callback-registering driver cares about. There appear to be no in-kernel callers of vme_lm_attach (or vme_lme_request for that matter), so this change only affects the VME subsystem and bridge drivers. This has been tested with Tsi148 hardware, but the CA91Cx42 changes have only been compiled. Signed-off-by: Aaron Sierra <asierra@xes-inc.com> Acked-by: Martyn Welch <martyn@welchs.me.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
182 lines
5.2 KiB
C
182 lines
5.2 KiB
C
#ifndef _VME_H_
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#define _VME_H_
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/* Resource Type */
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enum vme_resource_type {
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VME_MASTER,
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VME_SLAVE,
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VME_DMA,
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VME_LM
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};
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/* VME Address Spaces */
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#define VME_A16 0x1
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#define VME_A24 0x2
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#define VME_A32 0x4
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#define VME_A64 0x8
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#define VME_CRCSR 0x10
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#define VME_USER1 0x20
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#define VME_USER2 0x40
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#define VME_USER3 0x80
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#define VME_USER4 0x100
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#define VME_A16_MAX 0x10000ULL
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#define VME_A24_MAX 0x1000000ULL
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#define VME_A32_MAX 0x100000000ULL
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#define VME_A64_MAX 0x10000000000000000ULL
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#define VME_CRCSR_MAX 0x1000000ULL
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/* VME Cycle Types */
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#define VME_SCT 0x1
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#define VME_BLT 0x2
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#define VME_MBLT 0x4
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#define VME_2eVME 0x8
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#define VME_2eSST 0x10
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#define VME_2eSSTB 0x20
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#define VME_2eSST160 0x100
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#define VME_2eSST267 0x200
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#define VME_2eSST320 0x400
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#define VME_SUPER 0x1000
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#define VME_USER 0x2000
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#define VME_PROG 0x4000
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#define VME_DATA 0x8000
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/* VME Data Widths */
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#define VME_D8 0x1
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#define VME_D16 0x2
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#define VME_D32 0x4
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#define VME_D64 0x8
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/* Arbitration Scheduling Modes */
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#define VME_R_ROBIN_MODE 0x1
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#define VME_PRIORITY_MODE 0x2
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#define VME_DMA_PATTERN (1<<0)
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#define VME_DMA_PCI (1<<1)
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#define VME_DMA_VME (1<<2)
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#define VME_DMA_PATTERN_BYTE (1<<0)
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#define VME_DMA_PATTERN_WORD (1<<1)
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#define VME_DMA_PATTERN_INCREMENT (1<<2)
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#define VME_DMA_VME_TO_MEM (1<<0)
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#define VME_DMA_MEM_TO_VME (1<<1)
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#define VME_DMA_VME_TO_VME (1<<2)
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#define VME_DMA_MEM_TO_MEM (1<<3)
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#define VME_DMA_PATTERN_TO_VME (1<<4)
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#define VME_DMA_PATTERN_TO_MEM (1<<5)
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struct vme_dma_attr {
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u32 type;
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void *private;
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};
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struct vme_resource {
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enum vme_resource_type type;
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struct list_head *entry;
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};
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extern struct bus_type vme_bus_type;
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/* Number of VME interrupt vectors */
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#define VME_NUM_STATUSID 256
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/* VME_MAX_BRIDGES comes from the type of vme_bus_numbers */
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#define VME_MAX_BRIDGES (sizeof(unsigned int)*8)
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#define VME_MAX_SLOTS 32
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#define VME_SLOT_CURRENT -1
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#define VME_SLOT_ALL -2
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/**
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* Structure representing a VME device
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* @num: The device number
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* @bridge: Pointer to the bridge device this device is on
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* @dev: Internal device structure
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* @drv_list: List of devices (per driver)
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* @bridge_list: List of devices (per bridge)
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*/
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struct vme_dev {
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int num;
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struct vme_bridge *bridge;
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struct device dev;
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struct list_head drv_list;
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struct list_head bridge_list;
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};
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struct vme_driver {
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struct list_head node;
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const char *name;
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int (*match)(struct vme_dev *);
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int (*probe)(struct vme_dev *);
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int (*remove)(struct vme_dev *);
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void (*shutdown)(void);
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struct device_driver driver;
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struct list_head devices;
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};
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void *vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *);
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void vme_free_consistent(struct vme_resource *, size_t, void *,
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dma_addr_t);
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size_t vme_get_size(struct vme_resource *);
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int vme_check_window(u32 aspace, unsigned long long vme_base,
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unsigned long long size);
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struct vme_resource *vme_slave_request(struct vme_dev *, u32, u32);
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int vme_slave_set(struct vme_resource *, int, unsigned long long,
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unsigned long long, dma_addr_t, u32, u32);
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int vme_slave_get(struct vme_resource *, int *, unsigned long long *,
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unsigned long long *, dma_addr_t *, u32 *, u32 *);
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void vme_slave_free(struct vme_resource *);
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struct vme_resource *vme_master_request(struct vme_dev *, u32, u32, u32);
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int vme_master_set(struct vme_resource *, int, unsigned long long,
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unsigned long long, u32, u32, u32);
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int vme_master_get(struct vme_resource *, int *, unsigned long long *,
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unsigned long long *, u32 *, u32 *, u32 *);
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ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t);
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ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t);
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unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int,
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unsigned int, loff_t);
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int vme_master_mmap(struct vme_resource *resource, struct vm_area_struct *vma);
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void vme_master_free(struct vme_resource *);
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struct vme_resource *vme_dma_request(struct vme_dev *, u32);
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struct vme_dma_list *vme_new_dma_list(struct vme_resource *);
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struct vme_dma_attr *vme_dma_pattern_attribute(u32, u32);
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struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t);
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struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, u32, u32, u32);
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void vme_dma_free_attribute(struct vme_dma_attr *);
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int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *,
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struct vme_dma_attr *, size_t);
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int vme_dma_list_exec(struct vme_dma_list *);
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int vme_dma_list_free(struct vme_dma_list *);
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int vme_dma_free(struct vme_resource *);
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int vme_irq_request(struct vme_dev *, int, int,
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void (*callback)(int, int, void *), void *);
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void vme_irq_free(struct vme_dev *, int, int);
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int vme_irq_generate(struct vme_dev *, int, int);
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struct vme_resource *vme_lm_request(struct vme_dev *);
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int vme_lm_count(struct vme_resource *);
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int vme_lm_set(struct vme_resource *, unsigned long long, u32, u32);
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int vme_lm_get(struct vme_resource *, unsigned long long *, u32 *, u32 *);
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int vme_lm_attach(struct vme_resource *, int, void (*callback)(void *), void *);
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int vme_lm_detach(struct vme_resource *, int);
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void vme_lm_free(struct vme_resource *);
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int vme_slot_num(struct vme_dev *);
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int vme_bus_num(struct vme_dev *);
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int vme_register_driver(struct vme_driver *, unsigned int);
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void vme_unregister_driver(struct vme_driver *);
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#endif /* _VME_H_ */
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